Quarter	Persons
2006-01-01	20677700
2006-04-01	22050400
2006-07-01	22552800
2006-10-01	22049500
2007-01-01	21358000
2007-04-01	22600500
2007-07-01	22933300
2007-10-01	22050000
2008-01-01	21727800
2008-04-01	23159400
2008-07-01	23628400
2008-10-01	23116600
2009-01-01	22523800
2009-04-01	23849800
2009-07-01	24558800
2009-10-01	24045200
2010-01-01	23856400
2010-04-01	24975600
2010-07-01	25214100
2010-10-01	24716300
2011-01-01	24801300
2011-04-01	26051000
2011-07-01	26458000
2011-10-01	25764000
2012-01-01	25130400
2012-04-01	26571900
2012-07-01	26843400
2012-10-01	26924200
2013-01-01	26427800
2013-04-01	27704100
2013-07-01	27774800
2013-10-01	27254600
2014-01-01	27181800
2014-04-01	28382600
2014-07-01	28544900
2014-10-01	28234900
2015-01-01	28047900
2015-04-01	29084800
2015-07-01	29447300
2015-10-01	29033100
2016-01-01	28909400
2016-04-01	29969500
2016-07-01	30185500
2016-10-01	29980300
2017-01-01	30032200
2017-04-01	30865500
2017-07-01	31329800
2017-10-01	30960200
2018-01-01	30642800
2018-04-01	31359900